:root{
 --bl-bg:#f4f1e8;--bl-paper:#fffdf7;--bl-paper-2:#f9f7f0;--bl-ink:#0d211a;--bl-ink-2:#203c31;--bl-muted:#6f7a73;--bl-line:#d8ddd4;
 --bl-green:#1f6a53;--bl-green-2:#e8f1eb;--bl-gold:#a87631;--bl-gold-2:#f5ead8;--bl-red:#a94f49;--bl-shadow:0 18px 54px rgba(24,46,36,.07);
 --bl-sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--bl-serif:Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box}html{background:var(--bl-bg)}body{margin:0;background:radial-gradient(circle at 12% 0,#faf8f0 0,transparent 28%),var(--bl-bg);color:var(--bl-ink);font-family:var(--bl-sans);font-size:16px;line-height:1.55}
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.bl-home-section{margin:0 0 62px}.bl-section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:20px}.bl-section-head h2{font:500 clamp(28px,3vw,42px)/1.1 var(--bl-serif);letter-spacing:-.025em;margin:5px 0 0}.bl-section-head>a,.bl-section-head>span{font-size:11px;color:var(--bl-muted)}.bl-course-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.bl-course-card-v2{background:rgba(255,253,247,.72);border:1px solid var(--bl-line);border-radius:19px;padding:20px;min-height:285px;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}.bl-course-card-v2:hover{transform:translateY(-2px);box-shadow:var(--bl-shadow)}.bl-course-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.bl-state{display:inline-flex;align-items:center;width:max-content;border:1px solid #d7ddd6;border-radius:999px;padding:4px 7px;font-size:8px;color:#64716b;background:#f8f8f3}.bl-state.bl-strong{border-color:#acd1c1;color:#1b6b51;background:#edf7f2}.bl-state.bl-developing{border-color:#d7c59c;color:#8c652a;background:#fbf6e9}.bl-state.bl-review{border-color:#ddb4ae;color:#934c45;background:#fbefed}.bl-course-arrow{font-size:13px;color:#809088}.bl-course-card-v2 h3{font-size:17px;line-height:1.25;margin:15px 0 8px}.bl-course-card-desc{font-size:11px;color:var(--bl-muted);line-height:1.65;margin:0 0 18px;min-height:52px}.bl-card-position{display:grid;gap:2px;margin:auto 0 14px}.bl-card-position small{font-size:8px;color:var(--bl-green);letter-spacing:.1em}.bl-card-position b{font-size:11px}.bl-card-position span{font-size:10px;color:var(--bl-muted)}.bl-card-rail{height:4px}.bl-card-footer{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:14px;font-size:9px;color:var(--bl-muted)}.bl-recent-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.bl-recent-grid article{border-top:1px solid var(--bl-line);padding:18px 4px 4px;display:grid;grid-template-columns:130px 1fr;column-gap:20px}.bl-recent-grid time{grid-row:1/5;color:#88928c;font-size:9px}.bl-recent-grid small{font-size:9px;color:var(--bl-green)}.bl-recent-grid h3{margin:3px 0;font-size:16px}.bl-recent-grid span{font-size:10px;color:var(--bl-muted)}.bl-recent-grid p{font-size:11px;color:#5d6b65;line-height:1.6;margin:6px 0 0}.bl-empty{border:1px dashed var(--bl-line);padding:22px;border-radius:16px;color:var(--bl-muted)}.bl-empty-large{padding:38px;margin:24px 0 58px}.bl-empty-large h2{font:500 34px/1.15 var(--bl-serif);color:var(--bl-ink);margin:0 0 8px}.bl-empty-large p{margin:0 0 20px}
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.bl-teacher-page-hero{display:grid;grid-template-columns:minmax(0,1.25fr) 320px;gap:55px;align-items:end}.bl-teacher-portrait-card{border:1px solid var(--bl-line);border-radius:22px;padding:22px;background:linear-gradient(150deg,#edf3eb,#faf8f1);text-align:center}.bl-teacher-portrait-card img{width:180px;height:180px;object-fit:contain}.bl-teacher-portrait-card small{font-size:8px;color:var(--bl-gold);font-weight:800;letter-spacing:.12em}.bl-teacher-portrait-card h2{font:500 24px/1.2 var(--bl-serif);margin:7px 0 0}.bl-teacher-preferences-v2{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.bl-teacher-preferences fieldset{border:1px solid var(--bl-line);border-radius:18px;margin:0;padding:16px}.bl-teacher-preferences legend{padding:0 6px;color:var(--bl-green);font-size:9px;letter-spacing:.1em;font-weight:800}.bl-teacher-preferences legend small{display:block;color:var(--bl-muted);letter-spacing:0;font-weight:400;margin-top:3px;text-transform:none}.bl-choice{display:block;margin:7px 0}.bl-choice input{position:absolute;opacity:0;pointer-events:none}.bl-choice span{display:block;padding:12px 13px;border:1px solid #dfe3dc;border-radius:11px;background:#fbfaf5;font-size:11px}.bl-choice input:checked+span{border-color:#5c9b7e;background:#eaf3ee;box-shadow:inset 0 0 0 1px rgba(40,113,82,.08)}.bl-teacher-form-footer{grid-column:1/4;display:flex;justify-content:space-between;align-items:center;gap:28px;border-top:1px solid var(--bl-line);padding-top:18px;margin-top:8px}.bl-teacher-form-footer p{font-size:10px;color:var(--bl-muted);max-width:720px}.bl-settings-form-v2{display:grid;gap:16px}.bl-settings-form-v2>section{border:1px solid var(--bl-line);border-radius:18px;background:rgba(255,253,247,.55);padding:22px}.bl-settings-section-head{margin-bottom:16px}.bl-settings-section-head h2{font:500 27px/1.15 var(--bl-serif);margin:4px 0}.bl-setting-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.bl-setting-grid label{display:grid;gap:7px;font-size:10px;font-weight:700}.bl-setting-grid select,.bl-settings-form input[type=text],.bl-danger input{width:100%;border:1px solid #d6dcd5;background:#fff;border-radius:10px;padding:11px}.bl-accessibility-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.bl-access-choice{display:flex;gap:10px;align-items:flex-start;border:1px solid #dfe3dd;border-radius:12px;padding:13px;background:#fbfaf5}.bl-access-choice input{margin-top:3px}.bl-access-choice span{display:grid;gap:2px}.bl-access-choice b{font-size:11px}.bl-access-choice small{font-size:9px;color:var(--bl-muted);line-height:1.45}.bl-settings-links-v2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:26px}.bl-settings-links-v2 a{display:flex;justify-content:space-between;align-items:center;text-decoration:none;border-top:1px solid var(--bl-line);padding:18px 4px}.bl-settings-links-v2 a>div{display:grid;gap:2px}.bl-settings-links-v2 small{font-size:8px;color:var(--bl-green);font-weight:800}.bl-settings-links-v2 b{font-size:14px}.bl-settings-links-v2 span{font-size:10px;color:var(--bl-muted)}.bl-settings-links-v2 i{font-style:normal;color:#87938d}.bl-plan-card{display:grid;grid-template-columns:1fr 1fr;gap:30px;border:1px solid var(--bl-line);border-radius:18px;padding:24px;background:var(--bl-paper)}.bl-pill{display:inline-flex;border:1px solid var(--bl-line);border-radius:999px;padding:5px 8px;font-size:9px}.bl-cap-list{display:flex;gap:7px;flex-wrap:wrap;align-content:flex-start}.bl-cap-list span{font-size:10px;border:1px solid var(--bl-line);padding:6px 8px;border-radius:999px}.bl-privacy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.bl-privacy-grid article{border:1px solid var(--bl-line);border-radius:16px;padding:18px;background:var(--bl-paper)}.bl-privacy-grid h3{margin:0 0 5px;font-size:14px}.bl-privacy-grid p{font-size:10px;color:var(--bl-muted)}.bl-danger{margin-top:38px;border-top:1px solid #d8b9b5;padding-top:24px}.bl-danger form{max-width:520px;display:grid;gap:10px}.bl-danger label{font-size:10px;display:grid;gap:4px}.bl-danger-button{background:#8c443f;color:#fff;border:0;border-radius:999px;padding:10px 15px;width:max-content}.bl-account-footer{display:flex;gap:14px;align-items:center;border-top:1px solid var(--bl-line);padding:20px 0 36px;color:#7b857f;font-size:9px}.bl-account-footer a{color:inherit}
@media(max-width:1050px){.bl-course-grid{grid-template-columns:repeat(2,1fr)}.bl-focus-deck,.bl-course-hero-v2,.bl-teacher-page-hero{grid-template-columns:1fr}.bl-course-now,.bl-course-library-v2 aside{border-inline-start:0;border-top:1px solid var(--bl-line);padding-inline-start:0;padding-top:18px}.bl-course-library-v2 article{grid-template-columns:1fr}.bl-course-command{grid-template-columns:1fr}.bl-concept-grid{grid-template-columns:repeat(2,1fr)}.bl-home-intro-v2{grid-template-columns:1fr}.bl-home-signal{border-inline-start:0;border-top:1px solid var(--bl-line);padding:16px 0}.bl-teacher-preferences-v2{grid-template-columns:1fr}.bl-teacher-form-footer{grid-column:1}.bl-setting-grid,.bl-accessibility-grid{grid-template-columns:1fr}.bl-page-hero-split{grid-template-columns:1fr}.bl-page-aside{border-inline-start:0;border-top:1px solid var(--bl-line);padding:16px 0}.bl-progress-landscape{grid-template-columns:1fr}}
@media(max-width:720px){.bl-account-shell{width:min(100% - 28px,1280px)}.bl-account-top{height:auto;padding:14px 0;align-items:flex-start}.bl-wordmark small,.bl-beta,.bl-text-link{display:none}.bl-top-actions{margin-inline-start:auto}.bl-account-nav{overflow-x:auto;white-space:nowrap}.bl-account-main{padding-top:30px}.bl-home-intro h1,.bl-page-hero h1,.bl-course-hero h1,.bl-unit-hero-v2 h1,.bl-teacher-page-hero h1{font-size:42px}.bl-focus-primary{padding:24px}.bl-course-grid,.bl-recent-grid,.bl-settings-links-v2,.bl-privacy-grid{grid-template-columns:1fr}.bl-recent-grid article{grid-template-columns:1fr}.bl-recent-grid time{grid-row:auto}.bl-course-library-v2 article{padding:20px}.bl-unit-accordion summary{grid-template-columns:44px 1fr auto;padding:17px}.bl-unit-summary-copy p{display:none}.bl-unit-state span{display:none}.bl-concept-grid{grid-template-columns:1fr}.bl-unit-hero-v2{grid-template-columns:1fr}.bl-unit-hero-v2 aside{border-inline-start:0;border-top:1px solid var(--bl-line);padding:16px 0}.bl-unit-concepts-v2 article{grid-template-columns:44px 1fr}.bl-current-marker{grid-column:2;justify-self:start}.bl-progress-empty-state{grid-template-columns:1fr}.bl-progress-orbit{width:110px;height:110px}.bl-progress-timeline article{grid-template-columns:18px 1fr}.bl-progress-timeline time{grid-column:2}.bl-timeline-main{grid-column:2}.bl-next-line{grid-template-columns:1fr}.bl-course-meta{margin-bottom:10px}.bl-teacher-portrait-card{max-width:330px}.bl-settings-form-v2>section{padding:16px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}